Home / 327,117.10-490,686.54-90,461.74

Finding the Fourth Proportional to 327,117.10, 490,686.54 and 90,461.74

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Solution

The fourth proportional to 327,117.10, 490,686.54 and 90,461.74 is: 135,695.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,117.10 : 490,686.54 = 90,461.74 : x
  2. Step 2: Convert to fraction form
    327,117.10/490,686.54 = 90,461.74/x
  3. Step 3: Cross multiply
    327,117.10x = 490,686.54 × 90,461.74
  4. Step 4: Simplify right side
    327,117.10x = 44,388,358,202.98
  5. Step 5: Solve for x
    x = 44,388,358,202.98/327,117.10
  6. Step 6: Final answer
    x = 135,695.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.